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声脉冲辐射力成像技术:研究进展与未来展望 被引量:2

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摘要 近些年对生物组织弹性的研究是超声医学的研究热点,生物组织的弹性模量依赖于组织的细微分子构成以及这些分子构成块在微观、宏观上的组织形式。在正常的组织中,不同的解剖结构之间存在弹性模量差异,在病变组织和正常组织之间也存在弹性模量差异。超声弹性成像(ultrasound elastography,UE)利用生物组织的弹性力学差异,通过区分短时程激励作用下不同生物组织的弹性应变而进行成像,不同硬度组织,产生应变不同,可从弹性分布图对组织硬度做出判断。
作者 李怡 张玉英
出处 《实用医学杂志》 CAS 北大核心 2016年第9期1540-1542,共3页 The Journal of Practical Medicine
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